zhyang-dev/openfoam
1
0
Fork 0
mirror of https://develop.openfoam.com/Development/openfoam.git synced 2025-11-28 03:28:01 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

ENH: snappyHexMeshDict: added thicknessModel setting

Browse Source
This commit is contained in:
mattijs
2021-03-22 14:51:40 +00:00
parent 1c0714f9b8
commit 9cc497373b
1 changed files with 32 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

55
etc/caseDicts/annotated/snappyHexMeshDict
View File

@ -553,16 +553,31 @@ addLayersControls
// size of the refined cell outside layer (true) or absolute sizes (false). // size of the refined cell outside layer (true) or absolute sizes (false).
relativeSizes true; relativeSizes true;
// Layer thickness specification. This can be specified in one of following // Layer thickness specification. This can be specified either through the
// ways: // 'thicknessModel' parameter (new) or by specifying the individual
// - expansionRatio and finalLayerThickness (cell nearest internal mesh) // settings. The parameters are the cell height of the cells next to the
// - expansionRatio and firstLayerThickness (cell on surface) // wall ('firstLayerThickness'), the cell height of the cells next to the
// - overall thickness and firstLayerThickness // bulk ('finalLayerThickness'), the expansionRatio ('expansionRatio') and
// - overall thickness and finalLayerThickness // the overall thickness of all layers ('thickness').
// - overall thickness and expansionRatio
// //- specification of firstLayerThickness and overallThicknes, calculates
// Note: the mode thus selected is global, i.e. one cannot override the // needed expansionRatio.
// mode on a per-patch basis (only the values can be overridden) // thicknessModel firstAndOverall;
//- specification of firstLayerThickness and expansionRatio.
// thicknessModel firstAndExpansion;
//- specification of finalLayerThickness and expansionRatio.
// thicknessModel finalAndExpansion;
//- specification of thickness and expansionRatio.
// thicknessModel overallAndExpansion;
//- specification of firstLayerThickness and finalLayerThickness. The
// firstLayerThickness is always absolute, the finalLayerThickness is
// always relative, independent of the relativeSizes setting
// thicknessModel firstAndRelativeFinal;
// Expansion factor for layer mesh // Expansion factor for layer mesh
expansionRatio 1.0; expansionRatio 1.0;
@ -572,16 +587,6 @@ addLayersControls
// outside layer. // outside layer.
finalLayerThickness 0.3; finalLayerThickness 0.3;
// Wanted thickness of the layer next to the wall.
// If relativeSizes this is relative to undistorted size of cell
// outside layer.
//firstLayerThickness 0.3;
// Wanted overall thickness of layers.
// If relativeSizes this is relative to undistorted size of cell
// outside layer.
//thickness 0.5
// Minimum overall thickness of total layers. If for any reason layer // Minimum overall thickness of total layers. If for any reason layer
// cannot be above minThickness do not add layer. // cannot be above minThickness do not add layer.
@ -590,9 +595,13 @@ addLayersControls
minThickness 0.1; minThickness 0.1;
// Per final patch or faceZone (so not geometry!) the layer information // Per final patch or faceZone (so not geometry!) the layer information:
// Note: This behaviour changed after 21x. Any non-mentioned patches // - whether to use relative or absolute sizes
// now slide unless: // - thicknessModel (or individual settings)
// - minimum thickness
//
// Note: mesh shrinking behaviour changed after 21x. Any non-mentioned
// patches now slide unless:
// - nSurfaceLayers is explicitly mentioned to be 0. // - nSurfaceLayers is explicitly mentioned to be 0.
// - angle to nearest surface < slipFeatureAngle (see below) // - angle to nearest surface < slipFeatureAngle (see below)
layers layers